66110069007207 has 12 divisors (see below), whose sum is σ = 99029074562600. Its totient is φ = 44073379337976.

The previous prime is 66110069007113. The next prime is 66110069007221. The reversal of 66110069007207 is 70270096001166.

It is a happy number.

66110069007207 is a `hidden beast` number, since 6 + 611 + 0 + 0 + 6 + 9 + 0 + 0 + 7 + 20 + 7 = 666.

It is not a de Polignac number, because 66110069007207 - 2¹⁶ = 66110068941671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66110069007907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136028948332 + ... + 136028948817.

Almost surely, 2^{66110069007207} is an apocalyptic number.

66110069007207 is a deficient number, since it is larger than the sum of its proper divisors (32919005555393).

66110069007207 is an equidigital number, since it uses as much as digits as its factorization.

66110069007207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272057897164 (or 272057897152 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 66110069007207 in words is "sixty-six trillion, one hundred ten billion, sixty-nine million, seven thousand, two hundred seven".